81 lines
3.0 KiB
C#
81 lines
3.0 KiB
C#
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// ===============================================================================
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// HierarchyEnhancer - Quick Toggle for GameObjects
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//
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// Creator: Scove
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// Last Updated: 2024-05-08
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// Version: 2.0
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//
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// Purpose:
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// Adds a handy toggle checkbox to the right side of every item in the Hierarchy.
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// This allows you to enable or disable GameObjects instantly without selecting them.
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//
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// Key Features:
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// 1. One-click activation/deactivation directly in Hierarchy.
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// 2. Full Undo/Redo support integrated with Unity's system.
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// 3. Optimized UI placement to avoid overlapping with object names.
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// 4. Visual clarity: Helps quickly identify inactive objects in a complex tree.
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//
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// How to Use:
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// 1. Place this script in an 'Editor' folder.
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// 2. Look at your Hierarchy window; a small checkbox will appear on the far right.
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// 3. Click the checkbox to toggle the Active/Inactive state of any GameObject.
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// ===============================================================================
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using UnityEditor;
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using UnityEngine;
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namespace Editor
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{
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[InitializeOnLoad]
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public class HierarchyEnhancer
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{
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// Define the width of the toggle area
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private const float TOGGLE_WIDTH = 16f;
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static HierarchyEnhancer()
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{
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// Subscribe to the hierarchy item GUI event
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EditorApplication.hierarchyWindowItemOnGUI += OnHierarchyItemGUI;
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}
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private static void OnHierarchyItemGUI(int instanceID, Rect selectionRect)
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{
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// Get the GameObject associated with this instance ID
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GameObject obj = EditorUtility.EntityIdToObject(instanceID) as GameObject;
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if (obj == null) return;
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// Calculate the position for the Toggle (Aligned to the far right)
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// selectionRect.xMax gives us the right boundary of the Hierarchy row
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Rect toggleRect = new Rect(selectionRect);
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toggleRect.x = selectionRect.xMax - TOGGLE_WIDTH;
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toggleRect.width = TOGGLE_WIDTH;
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// Check current active state
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bool isActive = obj.activeSelf;
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// Handle UI and changes
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EditorGUI.BeginChangeCheck();
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// Set the color based on active state (Optional polish)
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Color originalColor = GUI.color;
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if (!isActive) GUI.color = new Color(1f, 1f, 1f, 0.5f); // Dim the toggle if inactive
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bool newActive = EditorGUI.Toggle(toggleRect, isActive);
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GUI.color = originalColor; // Restore original color for other elements
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if (EditorGUI.EndChangeCheck())
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{
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// Record undo before applying the change
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Undo.RecordObject(obj, "Toggle GameObject Active State");
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obj.SetActive(newActive);
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// If it's a Prefab, mark the scene as dirty to ensure it saves
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if (!Application.isPlaying)
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{
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EditorUtility.SetDirty(obj);
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}
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}
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}
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}
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}
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